contracts-bedrock: delete dead SystemConfig code

txmgr: Configure timeouts better

Include systemconfig bindings with new version

The old constant for the min gas limit was left behind
in the PR that made the min gas limit calculation safe.
This commit deletes the constant and updates the tests
to use the new method.

feat(docs/op-stack): Add an operations page

`.json.json` is not valid

contracts-bedrock: fee vault withdrawal script

Use OptimismPortal.FINALIZATION_PERIOD_SECONDS if L2OutputOracle.version is '1.0.0'.

Clarify what `pause` / `unpause` means

Update op-geth with upstream changes from v1.11.5 

The ForEachStorage method has been removed from the interface in geth but is still available on the struct itself.

txmgr: Initialize signer and more in the tx manager proper

op-batcher: enable graceful shutdown, closing current channel

fix(ci): error in release workflow file

op-node: system config derive tests